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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Mitogen-induced blastogenesis and receptor mobility inhibition by breast cancer serum with elevated orosomucoid (alpha 1-acid glycoprotein) levels.

Sera from cancer patients have been shown to suppress normal lymphoid cell responsiveness in vitro. In the present study, sera from breast cancer patients were demonstrated to be inhibitory to the concanavalin A (Con A)-, Proteus vulgaris-derived phytohemagglutinin-, and pokeweed mitogen-induced blastogenic responses of normal lymphoid cells. Orosomucoid (OR) (alpha 1-acid glycoprotein), an acute-phase reactant, was elevated in these sera, and a positive correlation existed between the OR level in the sera and its immunosuppressive capacity. When normal lymphoid cells were reached in fluorescein isothiocyanate-labeled Con A, cells that had been preincubated in breast cancer sera known to contain an elevated level of OR showed a significant decrease in Con A receptor mobility as compared to the receptor mobility of the same lymphoid cells preincubated in normal sera. Thus a component(s) from the sera of the breast cancer patients had the capacity to inhibit lymphocyte activation. This inhibition might have resulted from an interaction of OR with the membrane.[1]

References

  1. Mitogen-induced blastogenesis and receptor mobility inhibition by breast cancer serum with elevated orosomucoid (alpha 1-acid glycoprotein) levels. Cheresh, D.A., Distasio, J.A., Vogel, C.L., Lopez, D.M. J. Natl. Cancer Inst. (1982) [Pubmed]
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